- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 1/54 - Amino-hydroxy anthraquinonesEthers or esters thereof etherified
Patent holdings for IPC class C09B 1/54
Total number of patents in this class: 18
10-year publication summary
1
|
1
|
0
|
0
|
3
|
0
|
4
|
1
|
1
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Kayaku Kabushiki Kaisha | 1430 |
7 |
BASF SE | 20926 |
1 |
Canon Inc. | 39818 |
1 |
Biostatus Limited | 26 |
1 |
Ciba Holding Inc. | 177 |
1 |
DyStar Textilfarben GmbH & Co. Deutschland KG | 35 |
1 |
Enzo Life Sciences, Inc. | 162 |
1 |
Kiwa Chemical Industry Co., Ltd. | 24 |
1 |
Milliken & Company | 1200 |
1 |
Universita' Degli Studi di Firenze | 135 |
1 |
Yangzhou Rixing Bio-Tech Co., Ltd. | 5 |
1 |
Toppan Holdings Inc. | 575 |
1 |
Other owners | 0 |